* @param string[] $aTokens List of tokens to look up in the database.
* @param string[] $aCountryCodes List of country restrictions.
* @param string $sNormQuery Normalized query string.
* @param string[] $aTokens List of tokens to look up in the database.
* @param string[] $aCountryCodes List of country restrictions.
* @param string $sNormQuery Normalized query string.